20 Wheels on a Hybrid MPG... - 2017+ Chrysler Pacifica Minivan Forums
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post #1 of 25 (permalink) Old 07-29-2018, 11:25 PM Thread Starter
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20 Wheels on a Hybrid MPG...

I just purchased a set of 20x9.5 wheels for my Hybrid, Im sure my MPGs and range will be affected, wondering if any other Hybrids out there have gone with 20s?
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post #2 of 25 (permalink) Old 07-30-2018, 09:24 AM
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Curious too to see how it impacts your mpg's. Factors: wider width of tire/rim combo - isn't 9.5" at least 1" wider than the non-hybrid 20's wheel? Is the clearance and turning radius affected? What tire are you using - a low rolling resistance tire or something else? What is the total height of the tire versus std wheel/tire combo? If it's higher, you increase the total wind-drag which will reduce mpg's even more. Also rim design will increase drag if they're not as 'aero' as OEM.

I have 2017 Platinum model with the 17" wheel/tires. The Yokohama's are ok but could be better, and sometimes wish I had the 18" wheels because they look more integrated with the hybrid design and came with Michelin tires at the time. But I don't have to worry about scratching the wheels if I curb the tires since the sidewall sticks out a bit beyond the rims. Can't wait to replace these tires but it appears they're wearing very well and may last 50k.


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post #3 of 25 (permalink) Old 08-06-2018, 06:53 PM
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Haven't had to change tires on the PacHy yet, but my prior experience with a Focus EV may have similar results. I don't think the increase in diameter matters as much as the tire in regards to mileage. The car came with Michelin Energy Savers and I replaced it with Continental PureContacts and noticed about a 10% decrease in range. I got better dry and wet traction but worse range. If you want to keep high mileage, get LRR tires and read reviews, some are good, some are bad. Usually if you want greater mpgs, you will get less dry and wet traction.

Increasing the diameter of a tire will have a harsher ride, but should handle better. If you want a more comfortable ride, stick with the 17s or 18s. If you want a more sporty ride, get 20s and all seasons or summer tires.


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post #4 of 25 (permalink) Old 08-06-2018, 11:37 PM Thread Starter
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I swapped to the 20s today, from what I can tell the range will suffer quite a bit with my little sample size, the wheels are 2 wider and the tires are ultra high performance summer tires, it looks and feels like it handles better, Im not thrilled about the potential range and mileage decrease though. Oh well.
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post #5 of 25 (permalink) Old 08-07-2018, 02:43 PM
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I swapped to the 20s today, from what I can tell the range will suffer quite a bit with my little sample size, the wheels are 2 wider and the tires are ultra high performance summer tires, it looks and feels like it handles better, Im not thrilled about the potential range and mileage decrease though. Oh well.
Can I ask what size tires and rims did you did?

Certainly looks nice.

Continued mileage updates would be much appreciated.
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post #6 of 25 (permalink) Old 08-07-2018, 04:46 PM Thread Starter
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Can I ask what size tires and rims did you did?

Certainly looks nice.

Continued mileage updates would be much appreciated.
20x9.5 w/ 265/45/20 35mm offset, I got 29 miles on a full charge today, mostly freeway driving.
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post #7 of 25 (permalink) Old 08-07-2018, 04:48 PM Thread Starter
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There is a Jeep SRT8 wheel that is 20x8.5 with a 42mm offset which is probably the perfect size for the Pacifica, you could then run a 255/45/20 tire, I just didn’t like the style of that wheel.
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post #8 of 25 (permalink) Old 08-07-2018, 09:49 PM Thread Starter
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I got 30 miles out of a full charge today, not any different than what I was getting, if anything changes Ill update the post.
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post #9 of 25 (permalink) Old 08-08-2018, 09:18 PM Thread Starter
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After another drive today of the same route I seem to be averaging 3-3.4 miles every 10%, its very similar if not exactly the same as before.
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post #10 of 25 (permalink) Old 09-14-2018, 09:26 AM
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My Pacifica is new and, knowing I couldn't stand the 18s that came on it (anybody want a new set w/tires?), have installed Blaque Diamond 17-5 9x20 40mm offset with Pirelli Verde 265/45/20. The diameter is the same as stock 18/20 (non-hybrid) with only a 3/4" or so wider tread. The van is white with the newer black out trim and the wheels are gloss black. The result is excellent in every way. The ride is unchanged with the Pirellis and may even be a bit smoother and quieter than the stock tires. I predict the mileage will be the same though I was sorely tempted to use a taller 50 series tire.
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